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first Install check_nwc_health

Created: 28 July 2018 | Written by vincent | Print | Email | Hits: 7811

I will describe how i did install the check_nwc_health plugin

to use spez Plugin i have a spez directory (--> Icinga2 | (spez)Plugins | define path)

Step	on the Icinga2 Master
	# cd /usr/lib/nagios/pluginsCustom
	# mkdir check_nwc_health
	# cd /usr/lib/nagios/pluginsCustom/check_nwc_health
	# cd /tmp
	# wget https://labs.consol.de/assets/downloads/nagios/check_nwc_health-7.1.tar.gz
	# tar -xvzf check_nwc_health-7.1.tar.gz
	# cd /check_nwc_health-7.1
	./configure
	make
	mv plugins-scripts /usr/lib/nagios/pluginsCustom/check_nwc_health

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- check_nwc_health
- Lausser and check_nwc_health on github.com
- how to install it...
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Category: Icinga

Icinga2 | add service to a hostgroup

Created: 27 July 2018 | Written by vincent | Print | Email | Hits: 5150

add a service to a hostgroup

i have a couple of Debian 9 "Server/Host/Client" they all should have some Basic Service Check like (apt, disk, mem, swap, procs, users, running_kernel, apt, ssh, iostat, ping4, fping4, tcp, udp, ssl, ntp_time)

because i don't want to add this check to each host i did define a hostgroup and add the hostgroupname to the host (--> "define Hostgroup & add Host to a Hostgroup")

Merci to rsx (Roland)

steps i have done...	icinga2 Master
went to the zone.d	# cd /etc/icinga2/zones.d/
crate a new directory	# mkdir services
went to the new directory	# cd /services or # cd /etc/icinga2/zones.d/services
open a new file	# vi service2debian9.conf
to check apt on all defined Debian 9 "Host/Server/Client"	apply Service "apt" { import "generic-service" check_command = "apt" assign where host.address && host.vars.os == "debian9" command_endpoint = host_name }
to Check swap	apply Service "swap" { import "generic-service" check_command = "swap" assign where host.address && host.vars.os == "debian9" command_endpoint = host_name }
Check it if it for error	# icinga2 daemon -C
if ok	# systemctl restart icinga2

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Sometimes all would be perfect but a Service is on a Host not needed or not available. so you will get a error. to avoid the error - just ignore the host like this	32 apply Service "swap" { 33 import "generic-service" 34 check_command = "swap" 35 36 assign where host.address && host.vars.os == "debian9" 37 ignore where host.name == "memoryalpha.kozo.ch" 38 command_endpoint = host_name 39 }
	# icinga2 daemon -C
	# systemctl restart icinga2

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Quellen/Source:
- 05-service-monitoring/#general-monitoring
- have a look and for my test
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Category: Icinga

Icinga2 | define Hostgroup & add Host to a Hostgroup

Created: 21 July 2018 | Written by vincent | Print | Email | Hits: 7072

Define a Hostgroup Debian for all your Debian 9 client and Server	# vi /etc/icinga2/conf.d/groups.conf		object HostGroup "debian9" { display_name = "Debian 9" assign where host.vars.os == "debian9" }

add definition to a Host	# cd /etc/icinga2/zones.d/master/	open your hostfile endig with *.conf	object Host "client.kozo.ch" { check_command = "hostalive" //check is executed on the master display_name = "client name text" address = "10.147.42.63" vars.os = "debian9" vars.client_endpoint = "name" //follows the convention that host name == endpoint name }

do a check if it is OK	# icinga2 daemon -C
and if OK - restart	# systemctl reload icinga2

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NOW --> add service to a hostgroup
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Category: Icinga

Path and Links to the documentation

Created: 20 July 2018 | Written by vincent | Print | Email | Hits: 5033

	# cd /etc/icinga2/conf.d	conf.d Directory (hosts.conf, services.conf, users.conf, notifications.conf, commands.conf, groups.conf, templates.conf, downtimes.conf, timeperiods.conf, api-users.conf, app.conf )
Service		icinga.com/docs/icinga2/latest/doc/09-object-types/#service


Warning/Critical	how to define +/-	Nagios Guideline (search for " Threshold and Ranges " )

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Category: Icinga

critical/icinga-app: Another instance of Icinga already running with PID

Created: 10 July 2018 | Written by vincent | Print | Email | Hits: 4985

critical/icinga-app: Another instance of Icinga already running with PID 10076 Add a comment

Category: Icinga

Icinga2 | Upgrade Information

Created: 10 July 2018 | Written by vincent | Print | Email | Hits: 4484

Icinga2 | Upgrade Information for Debian 9
Icinga2 Update/Upgrade information

Step	todo	comand	text	-
For a Client	check the Version you have	# icinga2 --version
0
		# wget -O - https://packages.icinga.com/icinga.key \| apt-key add -
		# vi /etc/apt/sources.list	deb http://packages.icinga.com/debian icinga-stretch main deb-src http://packages.icinga.com/debian icinga-stretch main
		# apt update -y



For the Master		# icinga2 --version		(version: r2.6.0-1) i do have
	First update to 2.7	# vi /etc/default/icinga2	ICINGA2_CACHE_DIR=/var/cache/icinga2
		# systemctl restart icinga2
	then to 2.8	# ls /usr/share/icinga2-ido-mysql/schema/upgrade/		ls should Show some *.SQL file
		# mysql -u root -p icinga < /usr/share/icinga2-ido-mysql/schema/upgrade/2.8.0.sql		and also if you have newer files too

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Quellen/Source:
- Upgrading Icinga 2
- [dev.icinga.com #13255] Deprecate cluster/client mode "bottom up" w/ repository.d and node update-config
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Category: Icinga

✔ Icinga2 | (spez)Plugins | define path

Created: 09 July 2018 | Written by vincent | Print | Email | Hits: 5258

Icinga2 | Plugins | define path

0	default Plugins on Debian	# /usr/lib/nagios/plugins	--> source
	define a new path for not default or modified Plugins	# mkdir /usr/lib/nagios/pluginsCustom
	define the new Path to ...	# vi /etc/icinga2/constants.conf	const PluginCustomDir = "/usr/lib/nagios/pluginsCustom"
	restart	# systemctl restart icinga2 # systemctl status icinga2


	the Path i do use for new Plugins is	# cd /usr/lib/nagios/pluginsCustom
	and i do create a Directory for echa plugin too	# mkdir new-plugin

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Category: Icinga

Icinga2 | add a Windows Client to Icinga2 Master

Created: 09 July 2018 | Written by vincent | Print | Email | Hits: 4955

Icinga2 | add a Windows Client to Icinga2 Master

step	todo	Master	Master text	Client	Client text

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Source/Quellen:
- () | Icinga Doc offiziel
- ICINGA Package Repository Windows
- (2018update) LinuxTechi |How to add remote Linux and Windows Host to Icinga 2 for Monitoring
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- (2016) Brunner-IT |Icinga Agent – erster Windows Client überwachen
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Category: Icinga

Icinga2 | define (setup) the Master

Created: 09 July 2018 | Written by vincent | Print | Email | Hits: 5128

Icinga2 | define (setup) the Master

1	on a running Icinga	# icinga2 node wizard	Please specify if this is a satellite setup ('n' installs a master setup) [Y/n] : n


2	Zone.conf definition	# vi /etc/icinga2/zones.conf	object Endpoint "icinga.server.de" { } object Zone "icinga.server.de" { endpoints = ["icinga.server.de" ] }
3		# /etc/init.d/icinga2 restart



		# ps aux \| grep icinga2

--- ---> then add a Client Icinga2 | add Icinga2 Client to a Master

Source/Quellen:
- (2017) Icinga2: Remote Clients (just the first part / erster Abschnitt)
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Category: Icinga

Icinga2 | add Proxmox

Created: 09 July 2018 | Written by vincent | Print | Email | Hits: 7089

Icinga2 | add Proxmox

the user we crate for monitoring is icinga2monitoring

1	Proxmox crate a user for monitoring Login to CLI	# pveum useradd icinga2monitoring@pve -comment "Icinga2 Monitoring"
		# pveum passwd icinga2monitoring@pve
		# pveum aclmod / -user icinga2monitoring@pve -role PVEAuditor

	or just a API_User	# pvesh create /access/users -userid icinga2monitoring@pve

Quellen/Source:
- Github | nbuchwitz/check_pve
- exchange.icinga.com Proxmox
- Proxmox Doc | VE API
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- Docu Proxmox | user Management
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- Forum Proxmox | frage zu user und Sinn...

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Category: Icinga

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Roundcube ist eine freie Software für Webmail über IMAP, die in den Programmiersprachen PHP und JavaScript entwickelt wird. Roundcubes prominenteste Features sind die schlanke und moderne Benutzeroberfläche und die ausgeprägte Nutzung der Ajax-Technologie, die einen ähnlichen Bedien-Komfort wie bei einer lokal installierten Anwendung ermöglicht.